Cita APA

Rubio, G., Vázquez, R., Ramos-Larios, G., Guerrero, M. A., Olguín, L., Guillén, P. F., & Mata, H. (2015). NGC 6309, a planetary nebula that shifted from round to multipolar.

Citación estilo Chicago

Rubio, G., R. Vázquez, G. Ramos-Larios, Martín A. Guerrero, L. Olguín, P. F. Guillén, y H. Mata. NGC 6309, a Planetary Nebula That Shifted From Round to Multipolar. 2015.

Cita MLA

Rubio, G., et al. NGC 6309, a Planetary Nebula That Shifted From Round to Multipolar. 2015.